[특허]Self contained wound dressing with micropump

[미국특허] Self contained wound dressing with micropump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-013/00 A61M-001/00 A61M-027/00
출원번호	UP-0517210 (2006-09-06)
등록번호	US-7569742 (2009-08-24)
발명자 / 주소	Haggstrom, Kurt Tranchemontagne, Alain Jinga, Loredana
출원인 / 주소	Tyco Healthcare Group LP
대리인 / 주소	O'Brien, Esq., Elizabeth A.
인용정보	피인용 횟수 : 199 인용 특허 : 44

초록 ▼

A composite wound dressing apparatus promotes healing of a wound via the use of a micropump system housed within or above a wound dressing member. The micropump system includes a miniature pump that applies a subatmospheric pressure to the wound to effectively draw wound fluid or exudate away from the wound bed without the need for a cumbersome external vacuum source. Hence, the wound dressing and micropump system is portable which allows the patient mobility that is unavailable when an external vacuum source is used. The patient does not need to be constrained for any period of time while exudate is being removed from the wound.

대표청구항 ▼

What is claimed is: 1. A wound dressing apparatus, which comprises: a wound dressing member including a cover member dimensioned for positioning over a wound bed; and a micropump system including: a micropump for applying subatmospheric pressure to at least the wound dressing member to facilitate removal of fluid from the wound bed, the micropump being disposed beneath the cover member adjacent the wound bed; a pressure sensor adapted to detect pressure at a predetermined location relative to a wound dressing member, and send a corresponding signal to the control means said the control means include a motor controller adapted to control or vary the output of the micropump in response to the pressure sensed by the pressure sensor. 2. The wound dressing apparatus according to claim 1 wherein the micropump is adapted to produce subatmospheric pressure ranging between about 20 mmHg and about 500 mmHg. 3. The wound dressing apparatus according to claim 1 wherein the micropump system includes a battery for actuating the micropump, the battery adapted for implantation within the wound dressing member. 4. The wound dressing apparatus according to claim 1 wherein the wound dressing member includes a lower member positionable adjacent the wound bed, an upper absorbent member positionable adjacent the lower member, and a top member. 5. The wound dressing apparatus according to claim 4 wherein the micropump is at least partially positioned within the upper absorbent member. 6. The wound dressing apparatus according to claim 5 wherein the top member is an adhesive member, the adhesive member adapted to be secured about the wound bed to provide a seal between the wound dressing member and tissue surrounding the wound bed. 7. The wound dressing apparatus according to claim 4 wherein the lower member includes at least one of a medicament, an anti-infective agent, an antimicrobial, polyhexamethylene biguanide (hereinafter, "PHMB"), antibiotics, debridement agents, analgesics, healing factors, vitamins, growth factors, and nutrients. 8. The wound dressing apparatus according to claim 4 wherein the upper absorbent member comprises a material selected from the group consisting of foams, nonwoven composite fabrics, cellulosic fabrics, super absorbent polymers, and combinations thereof. 9. The wound dressing apparatus according to claim 8 wherein the upper absorbent member includes at least one of a medicament, an anti-infective agent, an antimicrobial, polyhexamethylene biguanide (hereinafter, "PHMB"), antibiotics, analgesics, healing factors, vitamins, growth factors and nutrients. 10. The wound dressing apparatus according to claim 4 wherein the top member comprises a transparent material. 11. The wound dressing apparatus according to claim 10 wherein the wound dressing member includes a pressure indicator for indicating a level of pressure within the wound dressing member. 12. The wound dressing apparatus according to claim 10 wherein the wound dressing member includes a saturation indicator to identify a degree of saturation of the wound dressing member. 13. The wound dressing apparatus according to claim 4 wherein the top member includes an access door associated therewith and being selectively movable between a closed position substantially enclosing the wound dressing member and an open position permitting internal access to the wound dressing member. 14. A wound dressing apparatus, which comprises: a wound dressing member including an absorbent member positionable relative to a wound bed; and a micropump system contained within or adjacent to the wound dressing member, the micropump system including: a micropump for applying subatmospheric pressure to the wound bed to facilitate removal of fluid from the wound bed, the micropump being at least partially encapsulated within the absorbent member; a pressure sensor to detect pressure at a predetermined location relative to the wound dressing member and a control means includes a motor controller adapted to control or vary the output of the micropump in response to the pressure sensed by the pressure sensor. 15. The wound dressing apparatus according to claim 14 wherein the micropump system includes a battery for supplying power to the micropump.

이 특허에 인용된 특허 (44) 인용/피인용 타임라인 분석

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Hartwell, Edward Yerbury, Wound dressing.
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Hartwell, Edward Yerbury, Wound dressing.
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Hartwell, Edward Yerbury, Wound dressing.
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Hartwell, Edward Yerbury, Wound dressing.
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Hartwell, Edward Yerbury, Wound dressing.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Self contained wound dressing with micropump 원문보기

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